The heating or cooling capabilities of a unit. Normally, this is displayed in BTUs.

The compressor pumps the refrigerant through the coils in the outdoor segments of the air conditioner or heat pump. It pumps the refrigerant at a speed and in quantities sufficient to cool the home.

In air ducts, these vents restrict or permit airflow to regulate the air distribution to certain rooms.

Metal pipes that distribute air throughout your home.

This device produces water vapor in conjunction with your furnace to improve comfort and regulate humidity.

A term to describe the amount of moisture in the air. Air Conditioners and dehumidifiers work to lower humidity.

A substance housed in the evaporator coils which changes from gas to liquid to create a cooling effect.

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